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to reflect the new license.
We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.
Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.
llvm-svn: 351636
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The new guideline is to qualify with 'llvm::' explicitly both in
'.h' and '.cpp' files. This simplifies moving the code between
header and source files and is easier to keep consistent.
llvm-svn: 350531
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Standardize on the most common namespace setup in our *.cpp files:
using namespace llvm;
namespace clang {
namespace clangd {
void foo(StringRef) { ... }
And remove redundant llvm:: qualifiers. (Except for cases like
make_unique where this causes problems with std:: and ADL).
This choice is pretty arbitrary, but some broad consistency is nice.
This is going to conflict with everything. Sorry :-/
Squash the other configurations:
A)
using namespace llvm;
using namespace clang;
using namespace clangd;
void clangd::foo(StringRef);
This is in some of the older files. (It prevents accidentally defining a
new function instead of one in the header file, for what that's worth).
B)
namespace clang {
namespace clangd {
void foo(llvm::StringRef) { ... }
This is fine, but in practice the using directive often gets added over time.
C)
namespace clang {
namespace clangd {
using namespace llvm; // inside the namespace
This was pretty common, but is a bit misleading: name lookup preferrs
clang::clangd::foo > clang::foo > llvm:: foo (no matter where the using
directive is).
llvm-svn: 344850
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llvm-svn: 341938
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llvm-svn: 341451
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Summary:
This is intended to replace the current YAML format for general use.
It's ~10x more compact than YAML, and ~40% more compact than gzipped YAML:
llvmidx.riff = 20M, llvmidx.yaml = 272M, llvmidx.yaml.gz = 32M
It's also simpler/faster to read and write.
The format is a RIFF container (chunks of (type, size, data)) with:
- a compressed string table
- simple binary encoding of symbols (with varints for compactness)
It can be extended to include occurrences, Dex posting lists, etc.
There's no rich backwards-compatibility scheme, but a version number is included
so we can detect incompatible files and do ad-hoc back-compat.
Alternatives considered:
- compressed YAML or JSON: bulky and slow to load
- llvm bitstream: confusing model and libraries are hard to use. My attempt
produced slightly larger files, and the code was longer and slower.
- protobuf or similar: would be really nice (esp for back-compat) but the
dependency is a big hassle
- ad-hoc binary format without a container: it seems clear we're going
to add posting lists and occurrences here, and that they will benefit
from sharing a string table. The container makes it easy to debug
these pieces in isolation, and make them optional.
Reviewers: ioeric
Subscribers: mgorny, ilya-biryukov, MaskRay, jkorous, mgrang, arphaman, kadircet, cfe-commits
Differential Revision: https://reviews.llvm.org/D51585
llvm-svn: 341375
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